After beginning her legal career as a prosecutor in San Diego, Ms. Brittain was a partner in Santa Barbara-based Ambrecht & Brittain for nearly 10 years before practicing with the international law firm Withers in London and Hong Kong, where she was primarily involved in international cross-border planning for large global families. Prior to joining Northern Trust in 2012, Ms. Brittain served as counsel at McKenna, Long & Aldridge in Los Angeles, where she focused on domestic and international estate and tax planning. At Northern Trust, she collaborates with clients and their counsel on estate planning strategies, including fiduciary and tax issues stemming from trust administration. She speaks nationally on cross-border planning.

Ms. Brittain is a member of the Estate and Trust Committee and the Tax Committee of the California State Bar Association, as well as the Los Angeles chapter of the Society of Trust and Estate Practitioners. She served as president of the Ventura Estate Planning Council in 2007, and is currently a co-chair of the Tax Committee for the Santa Barbara County Bar Association.